[Intel-gfx] [PATCH v4 2/8] drm/i915/display: Move the commit_tail() disable sequence to commit_modeset_disables() hook
Manasi Navare
manasi.d.navare at intel.com
Fri Aug 23 00:22:01 UTC 2019
Ville/Maarten/Daniel,
Could you please review this? There is no functional changes
just moving the disable part to a separate hook
Manasi
On Thu, Jun 27, 2019 at 03:57:36PM -0700, Manasi Navare wrote:
> Create a new hook commit_modeset_disables() consistent with the naming
> in drm atomic helpers and similar to the commit_modeset_enables() hook.
> This helps better organize the disable sequence in atomic_commit_tail()
> and move that to this disable hook.
>
> No functional change
>
> v2:
> * Create a helper for old_crtc_state disables (Lucas)
>
> Suggested-by: Daniel Vetter <daniel.vetter at intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Matt Roper <matthew.d.roper at intel.com>
> Cc: Jani Nikula <jani.nikula at intel.com>
> Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_display.c | 116 ++++++++++++-------
> drivers/gpu/drm/i915/i915_drv.h | 1 +
> 2 files changed, 75 insertions(+), 42 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 71e86e2f0f90..4b088fa24aad 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -13613,6 +13613,69 @@ static void intel_update_crtc(struct drm_crtc *crtc,
> intel_finish_crtc_commit(to_intel_atomic_state(state), intel_crtc);
> }
>
> +static void intel_old_crtc_state_disables(struct drm_atomic_state *state,
> + struct intel_crtc_state *old_intel_crtc_state,
> + struct intel_crtc_state *new_intel_crtc_state,
> + struct intel_crtc *intel_crtc)
> +{
> + struct drm_i915_private *dev_priv = to_i915(state->dev);
> + struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
> + struct drm_crtc_state *new_crtc_state = &new_intel_crtc_state->base;
> +
> + intel_crtc_disable_planes(intel_state, intel_crtc);
> +
> + /*
> + * We need to disable pipe CRC before disabling the pipe,
> + * or we race against vblank off.
> + */
> + intel_crtc_disable_pipe_crc(intel_crtc);
> +
> + dev_priv->display.crtc_disable(old_intel_crtc_state, state);
> + intel_crtc->active = false;
> + intel_fbc_disable(intel_crtc);
> + intel_disable_shared_dpll(old_intel_crtc_state);
> +
> + /*
> + * Underruns don't always raise interrupts,
> + * so check manually.
> + */
> + intel_check_cpu_fifo_underruns(dev_priv);
> + intel_check_pch_fifo_underruns(dev_priv);
> +
> + /* FIXME unify this for all platforms */
> + if (!new_crtc_state->active &&
> + !HAS_GMCH(dev_priv) &&
> + dev_priv->display.initial_watermarks)
> + dev_priv->display.initial_watermarks(intel_state,
> + new_intel_crtc_state);
> +}
> +
> +static void intel_commit_modeset_disables(struct drm_atomic_state *state)
> +{
> + struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> + struct intel_crtc_state *new_intel_crtc_state, *old_intel_crtc_state;
> + struct drm_crtc *crtc;
> + struct intel_crtc *intel_crtc;
> + int i;
> +
> + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
> + old_intel_crtc_state = to_intel_crtc_state(old_crtc_state);
> + new_intel_crtc_state = to_intel_crtc_state(new_crtc_state);
> + intel_crtc = to_intel_crtc(crtc);
> +
> + if (!needs_modeset(new_crtc_state))
> + continue;
> +
> + intel_pre_plane_update(old_intel_crtc_state, new_intel_crtc_state);
> +
> + if (old_crtc_state->active)
> + intel_old_crtc_state_disables(state,
> + old_intel_crtc_state,
> + new_intel_crtc_state,
> + intel_crtc);
> + }
> +}
> +
> static void intel_commit_modeset_enables(struct drm_atomic_state *state)
> {
> struct drm_crtc *crtc;
> @@ -13769,7 +13832,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
> struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
> struct drm_i915_private *dev_priv = to_i915(dev);
> struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> - struct intel_crtc_state *new_intel_crtc_state, *old_intel_crtc_state;
> + struct intel_crtc_state *new_intel_crtc_state;
> struct drm_crtc *crtc;
> struct intel_crtc *intel_crtc;
> u64 put_domains[I915_MAX_PIPES] = {};
> @@ -13778,58 +13841,24 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
>
> intel_atomic_commit_fence_wait(intel_state);
>
> - drm_atomic_helper_wait_for_dependencies(state);
> -
> - if (intel_state->modeset)
> - wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_MODESET);
> -
> for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
> - old_intel_crtc_state = to_intel_crtc_state(old_crtc_state);
> new_intel_crtc_state = to_intel_crtc_state(new_crtc_state);
> intel_crtc = to_intel_crtc(crtc);
>
> if (needs_modeset(new_crtc_state) ||
> - to_intel_crtc_state(new_crtc_state)->update_pipe) {
> -
> + new_intel_crtc_state->update_pipe) {
> put_domains[intel_crtc->pipe] =
> modeset_get_crtc_power_domains(crtc,
> - new_intel_crtc_state);
> + new_intel_crtc_state);
> }
> + }
>
> - if (!needs_modeset(new_crtc_state))
> - continue;
> -
> - intel_pre_plane_update(old_intel_crtc_state, new_intel_crtc_state);
> -
> - if (old_crtc_state->active) {
> - intel_crtc_disable_planes(intel_state, intel_crtc);
> -
> - /*
> - * We need to disable pipe CRC before disabling the pipe,
> - * or we race against vblank off.
> - */
> - intel_crtc_disable_pipe_crc(intel_crtc);
> + drm_atomic_helper_wait_for_dependencies(state);
>
> - dev_priv->display.crtc_disable(old_intel_crtc_state, state);
> - intel_crtc->active = false;
> - intel_fbc_disable(intel_crtc);
> - intel_disable_shared_dpll(old_intel_crtc_state);
> + if (intel_state->modeset)
> + wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_MODESET);
>
> - /*
> - * Underruns don't always raise
> - * interrupts, so check manually.
> - */
> - intel_check_cpu_fifo_underruns(dev_priv);
> - intel_check_pch_fifo_underruns(dev_priv);
> -
> - /* FIXME unify this for all platforms */
> - if (!new_crtc_state->active &&
> - !HAS_GMCH(dev_priv) &&
> - dev_priv->display.initial_watermarks)
> - dev_priv->display.initial_watermarks(intel_state,
> - new_intel_crtc_state);
> - }
> - }
> + dev_priv->display.commit_modeset_disables(state);
>
> /* FIXME: Eventually get rid of our intel_crtc->config pointer */
> for_each_new_crtc_in_state(state, crtc, new_crtc_state, i)
> @@ -15722,6 +15751,9 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv)
> dev_priv->display.commit_modeset_enables = skl_commit_modeset_enables;
> else
> dev_priv->display.commit_modeset_enables = intel_commit_modeset_enables;
> +
> + dev_priv->display.commit_modeset_disables = intel_commit_modeset_disables;
> +
> }
>
> static i915_reg_t i915_vgacntrl_reg(struct drm_i915_private *dev_priv)
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 075d7eb3c3f2..edb6b431f90c 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -311,6 +311,7 @@ struct drm_i915_display_funcs {
> void (*crtc_disable)(struct intel_crtc_state *old_crtc_state,
> struct drm_atomic_state *old_state);
> void (*commit_modeset_enables)(struct drm_atomic_state *state);
> + void (*commit_modeset_disables)(struct drm_atomic_state *state);
> void (*audio_codec_enable)(struct intel_encoder *encoder,
> const struct intel_crtc_state *crtc_state,
> const struct drm_connector_state *conn_state);
> --
> 2.19.1
>
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